700XX cylinder head porting. - Club700XX - Honda TRX700XX Forum
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post #1 of 10 Old 12-18-2008, 11:46 AM Thread Starter
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700XX cylinder head porting.

Just recieved one(two more due in soon). Will update this thread as time and work progresses.
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post #2 of 10 Old 12-24-2008, 02:46 PM Thread Starter
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See below

Last edited by VelociRaptor; 12-28-2008 at 06:38 PM.
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post #3 of 10 Old 12-27-2008, 04:19 PM Thread Starter
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Just about done with the porting. Word to the wise, be real careful on who you send these heads to for porting- Its very involved compared to other 4 valve cylinder heads.
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post #4 of 10 Old 12-28-2008, 06:36 PM Thread Starter
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Just about done, just a few pix:
Before intake

After intake
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post #5 of 10 Old 12-28-2008, 06:37 PM Thread Starter
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Before exhaust:

After exhaust:
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post #6 of 10 Old 12-28-2008, 08:12 PM Thread Starter
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post #7 of 10 Old 01-15-2009, 07:39 AM Thread Starter
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Seats are cut and the valves are lapped in(notice the line on the valves were they laped in perfectly. Seats were cut on a buddys Surdi machine, just need to blend the port into the first angle:


Bo White
205-886-7043
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post #8 of 10 Old 01-15-2009, 12:14 PM Thread Starter
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Pricing of the port work will be $350 for the XX port(reuses stock valves) and $400 for the XXR port(just sent the XR650R 37mm valves with the cylinder head).

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Last edited by VelociRaptor; 01-26-2009 at 06:58 PM.
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post #9 of 10 Old 01-15-2009, 12:55 PM
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Bo are you using an abrasive medium (extrude hone) process or is the work done all by hand?

08 TRX700XX
88 LT500R QUADZILLA
06 DVX400 (Son's)
06 TRX250EX (Wife's)

Last edited by vfm2010; 01-15-2009 at 01:05 PM.
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post #10 of 10 Old 01-15-2009, 01:18 PM Thread Starter
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Its all done by hand.

Bo White
205-886-7043
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